A strange place in a lava cave

shp

New member
Maybe there is someone who could explain some strange photos taken in a lava cave in Tenerife.

1. This was just a normal clear photo like most of others in the cave: https://ibb.co/GM43cRx
2. But another hole in the same space was different. It is strange that I could see it clearly, but it looked strange in the photo: https://ibb.co/z20jKqY
3. When I took a photo from a closer distance it looked like that (still, I could see it clearly): https://ibb.co/xmt0GKL
4. And from the inside it looked like this (it actually still looked clear, but not in photo): https://ibb.co/Th7gVny

I didn't go further since it was just a short visit. It is so strange that those "effects" weren't well visible by naked eye (maybe I could barely see some kind of flow with a good angle of light). I could only see it on the phone screen. Those photos were taken by a smartphone with flash light. It was very humid and I could feel a flow of air at least at the entrance.

What do you think was that? A flow of humid air? A dust? A radiation? :)
 

mikem

Well-known member
Moisture in the air reflecting the flash, if you'd taken the pics using light from helmet it wouldn't have shown on pics.

Mike
 

Fulk

Well-known member
I imagine that the streaks on the last photo are motes of dust dancing in the air, caught on a relatively long exposure ? especially given that the background seems to be blurred with camera movement.
 

mrodoc

Well-known member
If it is a lava tube, like Fulk my money is on dust. I have shots from very dry caves where the lighting angle has thrown up dust particles that look like fog. It is a real headache for underwater photography which is why we have to use very wide angle lenses to reduce the depth of the water column the flash goes through.  I expect you had flash on the camera.
 
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